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#include "notifications/Manager.h"
#include <QDebug>
#include <QImage>
#include <QtDBus/QDBusConnection>
#include <QtDBus/QDBusMessage>
#include <QtDBus/QDBusMetaType>
NotificationsManager::NotificationsManager(QObject *parent)
: QObject(parent)
, dbus("org.freedesktop.Notifications",
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
QDBusConnection::sessionBus(),
this)
{
qDBusRegisterMetaType<QImage>();
QDBusConnection::sessionBus().connect("org.freedesktop.Notifications",
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
"ActionInvoked",
this,
SLOT(actionInvoked(uint, QString)));
QDBusConnection::sessionBus().connect("org.freedesktop.Notifications",
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications",
"NotificationClosed",
this,
SLOT(notificationClosed(uint, uint)));
}
void
NotificationsManager::postNotification(const QString &roomid,
const QString &eventid,
const QString &roomname,
const QString &sender,
const QString &text,
const QImage &icon)
{
uint id = showNotification(roomname, sender + ": " + text, icon);
notificationIds[id] = roomEventId{roomid, eventid};
}
/**
* This function is based on code from
* https://github.com/rohieb/StratumsphereTrayIcon
* Copyright (C) 2012 Roland Hieber <rohieb@rohieb.name>
* Licensed under the GNU General Public License, version 3
*/
uint
NotificationsManager::showNotification(const QString summary,
const QString text,
const QImage image)
{
QVariantMap hints;
hints["image-data"] = image;
hints["sound-name"] = "message-new-instant";
QList<QVariant> argumentList;
argumentList << "nheko"; // app_name
argumentList << (uint)0; // replace_id
argumentList << ""; // app_icon
argumentList << summary; // summary
argumentList << text; // body
argumentList << (QStringList("default") << "reply"); // actions
argumentList << hints; // hints
argumentList << (int)-1; // timeout in ms
static QDBusInterface notifyApp("org.freedesktop.Notifications",
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications");
QDBusMessage reply =
notifyApp.callWithArgumentList(QDBus::AutoDetect, "Notify", argumentList);
if (reply.type() == QDBusMessage::ErrorMessage) {
qDebug() << "D-Bus Error:" << reply.errorMessage();
return 0;
} else {
return reply.arguments().first().toUInt();
}
return true;
}
void
NotificationsManager::closeNotification(uint id)
{
QList<QVariant> argumentList;
argumentList << (uint)id; // replace_id
static QDBusInterface closeCall("org.freedesktop.Notifications",
"/org/freedesktop/Notifications",
"org.freedesktop.Notifications");
QDBusMessage reply =
closeCall.callWithArgumentList(QDBus::AutoDetect, "CloseNotification", argumentList);
if (reply.type() == QDBusMessage::ErrorMessage) {
qDebug() << "D-Bus Error:" << reply.errorMessage();
}
}
void
NotificationsManager::removeNotification(const QString &roomId, const QString &eventId)
{
roomEventId reId = {roomId, eventId};
for (auto elem = notificationIds.begin(); elem != notificationIds.end(); ++elem) {
if (elem.value().roomId != roomId)
continue;
// close all notifications matching the eventId or having a lower
// notificationId
// This relies on the notificationId not wrapping around. This allows for
// approximately 2,147,483,647 notifications, so it is a bit unlikely.
// Otherwise we would need to store a 64bit counter instead.
closeNotification(elem.key());
// FIXME: compare index of event id of the read receipt and the notification instead
// of just the id to prevent read receipts of events without notification clearing
// all notifications in that room!
if (elem.value() == reId)
break;
}
}
void
NotificationsManager::actionInvoked(uint id, QString action)
{
if (action == "default" && notificationIds.contains(id)) {
roomEventId idEntry = notificationIds[id];
emit notificationClicked(idEntry.roomId, idEntry.eventId);
}
}
void
NotificationsManager::notificationClosed(uint id, uint reason)
{
Q_UNUSED(reason);
notificationIds.remove(id);
}
/**
* Automatic marshaling of a QImage for org.freedesktop.Notifications.Notify
*
* This function is from the Clementine project (see
* http://www.clementine-player.org) and licensed under the GNU General Public
* License, version 3 or later.
*
* Copyright 2010, David Sansome <me@davidsansome.com>
*/
QDBusArgument &
operator<<(QDBusArgument &arg, const QImage &image)
{
if (image.isNull()) {
arg.beginStructure();
arg << 0 << 0 << 0 << false << 0 << 0 << QByteArray();
arg.endStructure();
return arg;
}
QImage scaled = image.scaledToHeight(100, Qt::SmoothTransformation);
scaled = scaled.convertToFormat(QImage::Format_ARGB32);
#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
// ABGR -> ARGB
QImage i = scaled.rgbSwapped();
#else
// ABGR -> GBAR
QImage i(scaled.size(), scaled.format());
for (int y = 0; y < i.height(); ++y) {
QRgb *p = (QRgb *)scaled.scanLine(y);
QRgb *q = (QRgb *)i.scanLine(y);
QRgb *end = p + scaled.width();
while (p < end) {
*q = qRgba(qGreen(*p), qBlue(*p), qAlpha(*p), qRed(*p));
p++;
q++;
}
}
#endif
arg.beginStructure();
arg << i.width();
arg << i.height();
arg << i.bytesPerLine();
arg << i.hasAlphaChannel();
int channels = i.isGrayscale() ? 1 : (i.hasAlphaChannel() ? 4 : 3);
arg << i.depth() / channels;
arg << channels;
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
arg << QByteArray(reinterpret_cast<const char *>(i.bits()), i.byteCount());
#else
arg << QByteArray(reinterpret_cast<const char *>(i.bits()), i.sizeInBytes());
#endif
arg.endStructure();
return arg;
}
const QDBusArgument &
operator>>(const QDBusArgument &arg, QImage &)
{
// This is needed to link but shouldn't be called.
Q_ASSERT(0);
return arg;
}
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